二-μ-羟基二联吡啶铜 (Ⅱ)二高氯酸根的晶体结构及弱相互作用

Crystal structure and weak interactions of di-μ-hydroxo-bis diperchlorate

摘要: 制备了羟基桥连的双核铜化合物 Cu2 ( bipy) 2 ( OH) 2 ( Cl O4) 2 ( bipy=2 ,2 '- bipyridine) ,用 X-射线方法测定了它的晶体结构 .晶体属三斜晶系 ,空间群 C2 /m,α=1 3.5 69( 3) ,b=1 5 .2 1 2 ( 3) ,c=6.2 71 5 ( 1 0 ) ,β =1 1 3.62 0 ( 1 0 ) ,V =1 1 88.4( 4 ) 3 ,Dc =1 .879g/m3 ,Z =2 ,分子式C2 0 H18Cl2 Cu2 N4O10 ,分子量 Mr=672 .36,F( 0 0 0 ) =676.0 .化合物的结构由 1个 Cu( bipy) 2 ( OH) 2 2 +阳离子和 2个弱配位的高氯酸根组成 ,每个阳离子内的 2个 Cu( II)通过 2个羟基桥连接 ,Cu( II)原子表现出 Cu O2 N2 四方平面构型 .分子内存在高氯酸根的 Cu( 1 )…O( 3)弱配位键 ,分子间存在 O( 1 )—H( 1 ) A…O( 2 )和 C( 1 )— H( 1 ) B… O( 2 ) 2种类型的氢键

Abstract: The hydroxylbridged binuclear copper(Ⅱ) compound (ClO4)2 (bipy=2,2′bipyridine) has been prepared and its crystal structure determined by Xray diffraction methods, crystallizes in the Triclinic system, space group C2/m, with a = 13.569(3), b = 15.212(3), c = 6.2715(10), β = 113.620(10)°, V = 1 188.4(4)3,Dc = 1.879 g/m3, Z = 2, C20H18Cl2Cu2N4O10, Mr = 672.36, F(000) = 676.0. The structure consists of a binuclear cation 2+ and two coordinated weakly perchlorates. Within each cati...